Hook base



FIG. 1 is a front perspective view of a hook base having the claimed design.

FIG. 2 is a rear perspective view of the hook base.

FIG. 3 is a front elevational view of the hook base.

FIG. 4 is a rear elevational view of the hook base.

FIG. 5 is a side view of the hook base.

FIG. 6 is a side view opposite the side view of FIG. 5.

FIG. 7 is a top view of the hook base; and,

FIG. 8 is a bottom view of the hook base. 

CLAIM The ornamental designs for a hook base, as shown and described. 